Oku 18.9 intshi ubude beaker base logo yoshicilelo bong kunye namagumbi amabini.Omabini amagumbi aneengalo ezili-10 zomthi we-percolator.Kukho iipunitshi ezintathu zomkhenkce entanyeni yokubamba iityhubhu lomkhenkce okanye ibhola, ukupholisa umsi oshushu.Kulula ukufumana ukubetha okugudileyo xa iingalo ezininzi zomthi wepercolator zikhona.Zonke ii-bongs zinezixhobo ezihambelanayo.
